Adding an agreement checkbox

Hi there,

I'm trying to add a checkbox to a presentation that is purely optional and not linked to any other actions. Basically, it's a "terms or service"-type checkbox, but I still want it to be the button at the bottom of the screen that moves them to the next slide, not the box.

I've tried adding a click box and it's showing up as 1. when I preview the project.

Any suggestions?

Thank you!